Records of the Geological Survey of India, Volume 113, Parts 5-6Government of India, 1980 - Geology Includes the "Annual report of the Geological Survey of India," 1867- |
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Page 49
... occasionally with drawn out vesicles are also present in some samples . Lithic fragment , glass shards , broken crystals of plagioclase and ash occur in subsidiary amounts . The interspaces between the fragments are filled with ...
... occasionally with drawn out vesicles are also present in some samples . Lithic fragment , glass shards , broken crystals of plagioclase and ash occur in subsidiary amounts . The interspaces between the fragments are filled with ...
Page 54
... occasionally with three tiered arrangement as in flow Bu - 6 . Columns in flow Bu - 7 are often arranged in fan shaped form and are usually inclined in the direction of the flow . About 50 cm wide fracture zone , marked by closely ...
... occasionally with three tiered arrangement as in flow Bu - 6 . Columns in flow Bu - 7 are often arranged in fan shaped form and are usually inclined in the direction of the flow . About 50 cm wide fracture zone , marked by closely ...
Page 60
... occasionally in association with the phenocrysts of augite and / or olivine ( Fig - 7 ) . They are commonly twinned on albite , carlsbad and occasionally on pericline laws and exhibit oscillatory zoning . Plagioclase phenocrysts are ...
... occasionally in association with the phenocrysts of augite and / or olivine ( Fig - 7 ) . They are commonly twinned on albite , carlsbad and occasionally on pericline laws and exhibit oscillatory zoning . Plagioclase phenocrysts are ...
Contents
Geochemical distribution of Trace Elements Over the mineralised fault zone PAGE | 1 |
Geology of parts of Abujhmar area Narainpur Tehsil Bastar district Madhya | 24 |
Geological and Petrographic Studies of the Deccan Basalt Flows | 33 |
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Common terms and phrases
Abujhmar alluvium Ambadongar anorthosite associated augite basalt flows basin beds biotite block bore holes borehole breccia Buldana calcite Charnockite chert chlorite clay clinopyroxene Deccan Trap deposits depth district drainage drilled dykes erosional exhibit exposed fault felspar fluorite folds formation fossil fragments gabbro geochemical Geol Geological Survey geomorphic glass gm/tonne gneisses grade grained granite granulites greisens grey groundmass Group Gundul hill indicated laterite lava layers limestone magnetite Maharashtra metasediments metres migmatite mineralisation minerals Narmada Valley NW-SE occurs olivine opaque phenocrysts phosphorite phyllite plagioclase Plate porphyritic present pyrite pyroclastic pyroxene quartz quartz veins quartzite Quaternary region Rhyolite river rocks samples sandstone schist seam sediments sequence shale slope spores stream stromatolites structure sub-surface sulphide surface Surv Survey of India Tapti thick thin trending tuff Unpublished GSI Report upto Vaghur varies volcanic width zone